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Table 2
Priors used for each parameter, unless stated otherwise in the text.
Parameter | Units | Prior distribution | Description |
---|---|---|---|
Offsets and noise | |||
Epoch | BJD | Fixed at 2455 500 | Reference epoch |
γinst | m s−1 | U [RVmin, RVmax] | Constant velocity offset |
σRV | m s−1 | log U [0.001, 100] | Additional white noise (Jitter) |
PGP | days | U [1, obs timespan] | Period of correlated noise |
ρGP | days | U [1, obs timespan] | Decay timescale |
ηGP | U [0, 100] | Smoothing parameter | |
σGP | m s−1 | U [0, 100] | Amplitude of correlated noise |
Keplerians | |||
P | days | U [1.5, 5000] | Orbital period |
K | m s−1 | log U [0.1, 105] | RV semi-amplitude |
e | U [0, 0.8] | Orbital eccentricity | |
ω | Radians | U [0, 2π] | Argument of periastron |
λ0 | Radians | U [0, 2π] | Mean longitude at epoch |
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